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Unify handling in dispatchVC.
All these check could be actually dropped, because unless dispatchVC is called directly, getstatus would already handle it.
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@ -3518,8 +3518,7 @@ void GuiView::dispatchVC(FuncRequest const & cmd, DispatchResult & dr)
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break;
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case LFUN_VC_LOCKING_TOGGLE:
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LASSERT(buffer, return);
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if (!ensureBufferClean(buffer) || buffer->hasReadonlyFlag())
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if (!buffer || !ensureBufferClean(buffer) || buffer->hasReadonlyFlag())
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break;
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if (buffer->lyxvc().inUse()) {
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string res = buffer->lyxvc().lockingToggle();
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@ -3534,7 +3533,8 @@ void GuiView::dispatchVC(FuncRequest const & cmd, DispatchResult & dr)
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break;
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case LFUN_VC_REVERT:
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LASSERT(buffer, return);
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if (!buffer)
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break;
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if (buffer->lyxvc().revert()) {
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reloadBuffer(*buffer);
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dr.clearMessageUpdate();
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@ -3542,6 +3542,8 @@ void GuiView::dispatchVC(FuncRequest const & cmd, DispatchResult & dr)
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break;
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case LFUN_VC_UNDO_LAST:
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if (!buffer)
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break;
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LASSERT(buffer, return);
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buffer->lyxvc().undoLast();
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reloadBuffer(*buffer);
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@ -3549,7 +3551,8 @@ void GuiView::dispatchVC(FuncRequest const & cmd, DispatchResult & dr)
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break;
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case LFUN_VC_REPO_UPDATE:
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LASSERT(buffer, return);
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if (!buffer)
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break;
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if (ensureBufferClean(buffer)) {
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dr.setMessage(buffer->lyxvc().repoUpdate());
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checkExternallyModifiedBuffers();
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@ -3603,10 +3606,11 @@ void GuiView::dispatchVC(FuncRequest const & cmd, DispatchResult & dr)
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lyx::dispatch(FuncRequest(LFUN_DIALOG_SHOW, "comparehistory"));
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break;
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}
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if (!buffer)
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break;
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string rev1 = cmd.getArg(0);
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string f1, f2;
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LATTEST(buffer)
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// f1
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if (!buffer->lyxvc().prepareFileRevision(rev1, f1))
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